A suction anchor has a skirt open at one end and closed at another end to define an interior volume. At least one conduit nested within or adjacent to the skirt, is open at one end and closed at another end to define an inner volume. A suction line is fluidly connected to the interior volume through a first valve. A second valve is fluidly connected between the inner volume and either the suction line or the interior volume. The first valve and the second valve are operable to cause water flow at respective selected rates along both the skirt and the conduit from a body of water when the interior volume and the inner volume are evacuated and the suction anchor is disposed on the bottom of a body of water.

Disclosed embodiments include a suction pile vent plug having a cylindrically-shaped body having a sealing element, a plurality of coupling features, and a handle connected to the cylindrically-shaped body. The sealing element is configured to form a watertight seal with walls of a suction pile vent into which the vent plug is installed. The plurality of coupling features are configured to engage with corresponding coupling features of the suction pile vent. The movable handle is configured to be moved into one or more locked configurations. Disclosed embodiments further include a suction pile vent having a hollow cylindrically-shaped body having coupling features. The coupling features are configured to engage with corresponding coupling features of a suction pile vent plug to thereby mechanically couple the suction pile vent plug to the suction pile vent. Disclosed embodiments further include a fluidic port that fluidically couples a suction pile to a removable fluidic coupling.

The present disclosure relates to an offshore substructure supported by a template-integrated suction foundation and an installation method thereof, more particularly to an offshore substructure installed by pre-piling construction including: a suction foundation having a plurality of suction piles pre-inserted into the seabed by suction, joint sockets connected to each head part of the suction piles, and connecting members connecting spaces between the joint sockets; and a substructure connected onto an upper part of a suction foundation pre-piled, wherein an insertion socket connected to a lower part of the substructure is inserted into the joint socket, and the suction foundation and the substructure are connected by grouting a space between the insertion socket and the joint socket.

The present disclosure relates to an offshore substructure supported by a template-integrated suction foundation and an installation method thereof, more particularly to an offshore substructure installed by pre-piling construction including: a suction foundation having a plurality of suction piles pre-inserted into the seabed by suction, joint sockets connected to each head part of the suction piles, and connecting members connecting spaces between the joint sockets; and a substructure connected onto an upper part of a suction foundation pre-piled, wherein an insertion socket connected to a lower part of the substructure is inserted into the joint socket, and the suction foundation and the substructure are connected by grouting a space between the insertion socket and the joint socket.

The present invention relates to a device for pushing four piles into the ground or into a seabed in a square configuration or in a diamond configuration, the device comprising: —a bridge assembly which defines a first, second, third and fourth connecting location arranged in a square or diamond configuration, —four connection assemblies via which in use each of the four piles is connected to the bridge assembly, wherein each pile connection assembly comprises: ∘an actuator comprising an upper actuator part and a lower actuator part, wherein the actuator is configured to extend, ∘a pile connector connected to the lower actuator part, ∘a control device configured for alternately letting each of the actuators extend, and configured for letting the pile which is pushed into the ground or seabed receive a greater force than the opposite pile of the square or diamond configuration, wherein the exerted push force is transferred into the bridge assembly and transferred at least partially from the bridge assembly as a tension force and a bending moment into the two adjoining piles via the two adjoining pile connection assemblies.

Described is a method for anchoring a hollow tubular element in a water bottom. An upper outer end of the tubular element is first closed substantially airtightly by a closing body. The tubular element with closing body is taken up from a vessel with a lifting means and lowered into the water in a substantially vertical position. Air in the tubular element with closing body is here compressed and the pressure in the tubular element with closing body increases. The weight of the tubular element with closing body suspended from the lifting means is then adjusted by allowing the air to escape at least partially and/or suctioning the air away at least partially to below atmospheric pressure. The pressure in the tubular element with closing body decreases and the tubular element with closing body penetrates into the water bottom under the weight. Finally, the closing body is removed and the tubular element is optionally driven further into the water bottom with a pile-driving means.

Described is a method for anchoring a hollow tubular element in a water bottom. An upper outer end of the tubular element is first closed substantially airtightly by a closing body. The tubular element with closing body is taken up from a vessel with a lifting means and lowered into the water in a substantially vertical position. Air in the tubular element with closing body is here compressed and the pressure in the tubular element with closing body increases. The weight of the tubular element with closing body suspended from the lifting means is then adjusted by allowing the air to escape at least partially and/or suctioning the air away at least partially to below atmospheric pressure. The pressure in the tubular element with closing body decreases and the tubular element with closing body penetrates into the water bottom under the weight. Finally, the closing body is removed and the tubular element is optionally driven further into the water bottom with a pile-driving means.

Disclosed embodiments include a suction pile vent plug having a cylindrically-shaped body having a sealing element, a plurality of coupling features, and a handle connected to the cylindrically-shaped body. The sealing element is configured to form a watertight seal with walls of a suction pile vent into which the vent plug is installed. The plurality of coupling features are configured to engage with corresponding coupling features of the suction pile vent. The movable handle is configured to be moved into one or more locked configurations. Disclosed embodiments further include a suction pile vent having a hollow cylindrically-shaped body having coupling features. The coupling features are configured to engage with corresponding coupling features of a suction pile vent plug to thereby mechanically couple the suction pile vent plug to the suction pile vent. Disclosed embodiments further include a fluidic port that fluidically couples a suction pile to a removable fluidic coupling.

A vibration-ram arrangement for introducing a material to be rammed into a ground may include a hydraulic apparatus for generating hydraulic pressure. The hydraulic apparatus may include an internal-combustion motor and a hydraulic pump that is drivable by the internal-combustion motor. The arrangement may further include an exciter arrangement, which is configured to be spatially separate from the hydraulic apparatus and which by way of a hydraulic line is connected to the hydraulic apparatus. The exciter arrangement may have a hydraulic motor and a rotatably mounted unbalanced mass. For driving the unbalanced mass, hydraulic liquid may be guided in a circuit comprising the hydraulic apparatus, the hydraulic line, and the hydraulic motor. The unbalanced mass is drivable by the hydraulic motor to generate vibration movements of the exciter arrangement. The arrangement may also include a support device on which the hydraulic apparatus and the exciter arrangement are disposed. The present disclosure also relates to methods for operating vibration-ram arrangements and to component sets for assembling such vibration-ram arrangements.

A vibration-ram arrangement for introducing a material to be rammed into a ground may include a hydraulic apparatus for generating hydraulic pressure. The hydraulic apparatus may include an internal-combustion motor and a hydraulic pump that is drivable by the internal-combustion motor. The arrangement may further include an exciter arrangement, which is configured to be spatially separate from the hydraulic apparatus and which by way of a hydraulic line is connected to the hydraulic apparatus. The exciter arrangement may have a hydraulic motor and a rotatably mounted unbalanced mass. For driving the unbalanced mass, hydraulic liquid may be guided in a circuit comprising the hydraulic apparatus, the hydraulic line, and the hydraulic motor. The unbalanced mass is drivable by the hydraulic motor to generate vibration movements of the exciter arrangement. The arrangement may also include a support device on which the hydraulic apparatus and the exciter arrangement are disposed. The present disclosure also relates to methods for operating vibration-ram arrangements and to component sets for assembling such vibration-ram arrangements.